/** The duration of the animation in the appearance and disappearance of the toast (in msec). */
export declare const TOAST_ANIMATION_DURATION = 200;
export declare function formatDate(date: Date): string | null;
export declare const cvaTimestamp: (props?: ({
    layout?: "vertical" | "horizontal" | null | undefined;
} & import('class-variance-authority/types').ClassProp) | undefined) => string;